204066443 has 4 divisors (see below), whose sum is σ = 233218800. Its totient is φ = 174914088.

The previous prime is 204066437. The next prime is 204066449. The reversal of 204066443 is 344660402.

It is a happy number.

204066443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (204066437) and next prime (204066449).

It is a cyclic number.

It is not a de Polignac number, because 204066443 - 2¹⁰ = 204065419 is a prime.

It is a super-2 number, since 2×204066443² = 83286226317344498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204066449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14576168 + ... + 14576181.

It is an arithmetic number, because the mean of its divisors is an integer number (58304700).

Almost surely, 2^204066443 is an apocalyptic number.

204066443 is a deficient number, since it is larger than the sum of its proper divisors (29152357).

204066443 is an equidigital number, since it uses as much as digits as its factorization.

204066443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29152356.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 204066443 is about 14285.1826379644. The cubic root of 204066443 is about 588.7404355921.

The spelling of 204066443 in words is "two hundred four million, sixty-six thousand, four hundred forty-three".